/*
 * Copyright (c) 2012, marco.tamburelli@gmail.com
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met: 
 * 
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer. 
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution. 
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.bmi.gwt.mi.client.channel;

import java.util.List;

import org.bmi.gwt.mi.shared.MiPublisher;
import org.bmi.gwt.mi.shared.MiProxyPublisher;
import org.bmi.gwt.mi.shared.BroadChannel;
import org.bmi.gwt.mi.shared.MiTransaction;
import org.bmi.gwt.mi.shared.MiTransactionPublisher;
import org.bmi.gwt.mi.shared.communication.call.Call;
import org.bmi.gwt.mi.shared.util.ProxyFactory;

/**
 * Implementation of a {@link BroadChannel} class suitable for client side.
 * 
 * @author marco.tamburelli@gmail.com
 */
class BroadChannelClient extends BroadChannel
{
	protected Connection connection;

	BroadChannelClient(String queueExpr, ProxyFactory proxyFactory, Connection connection)
	{
		super.queueExpression = queueExpr;
		super.proxyFactory = proxyFactory;

		this.connection = connection;
	}

	@Override
	protected MiPublisher provideMiPublisher(boolean transactional)
	{
		if (transactional)
			return new MiTransactionPublisher();
		else
			return new MiProxyPublisher()
			{
				@Override
				protected void publish(List<Call> calls)
				{
					BroadChannelClient.this.connection.publish(super.broadChannel.getExpression(), calls);
				}
			};
	}

	@Override
	public MiTransaction createTransaction()
	{
		return new MiTransaction(this)
		{
			@Override
			protected void publish(List<Call> calls)
			{
				BroadChannelClient.this.connection.publish(super.broadChannel.getExpression(), calls);
			}
		};
	}
}
